vulnerability
Ubuntu: (Multiple Advisories) (CVE-2025-21844): Linux kernel vulnerabilities
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 5 | (AV:L/AC:L/Au:S/C:N/I:N/A:C) | Mar 12, 2025 | May 20, 2025 | Jul 1, 2025 |
Severity
5
CVSS
(AV:L/AC:L/Au:S/C:N/I:N/A:C)
Published
Mar 12, 2025
Added
May 20, 2025
Modified
Jul 1, 2025
Description
In the Linux kernel, the following vulnerability has been resolved:
smb: client: Add check for next_buffer in receive_encrypted_standard()
Add check for the return value of cifs_buf_get() and cifs_small_buf_get()
in receive_encrypted_standard() to prevent null pointer dereference.
Solution(s)
ubuntu-upgrade-linux-image-5-15-0-1026-nvidia-tegra-igxubuntu-upgrade-linux-image-5-15-0-1026-nvidia-tegra-igx-rtubuntu-upgrade-linux-image-5-15-0-1037-nvidia-tegraubuntu-upgrade-linux-image-5-15-0-1037-nvidia-tegra-rtubuntu-upgrade-linux-image-5-15-0-1050-xilinx-zynqmpubuntu-upgrade-linux-image-5-15-0-1066-gkeopubuntu-upgrade-linux-image-5-15-0-1076-ibmubuntu-upgrade-linux-image-5-15-0-1077-intel-iot-realtimeubuntu-upgrade-linux-image-5-15-0-1078-nvidiaubuntu-upgrade-linux-image-5-15-0-1078-nvidia-lowlatencyubuntu-upgrade-linux-image-5-15-0-1078-raspiubuntu-upgrade-linux-image-5-15-0-1079-intel-iotgubuntu-upgrade-linux-image-5-15-0-1080-kvmubuntu-upgrade-linux-image-5-15-0-1081-gkeubuntu-upgrade-linux-image-5-15-0-1081-oracleubuntu-upgrade-linux-image-5-15-0-1083-gcpubuntu-upgrade-linux-image-5-15-0-1083-gcp-fipsubuntu-upgrade-linux-image-5-15-0-1084-awsubuntu-upgrade-linux-image-5-15-0-1084-aws-fipsubuntu-upgrade-linux-image-5-15-0-1084-realtimeubuntu-upgrade-linux-image-5-15-0-1089-azureubuntu-upgrade-linux-image-5-15-0-1089-azure-fipsubuntu-upgrade-linux-image-5-15-0-140-fipsubuntu-upgrade-linux-image-5-15-0-140-genericubuntu-upgrade-linux-image-5-15-0-140-generic-64kubuntu-upgrade-linux-image-5-15-0-140-generic-lpaeubuntu-upgrade-linux-image-5-15-0-140-lowlatencyubuntu-upgrade-linux-image-5-15-0-140-lowlatency-64kubuntu-upgrade-linux-image-5-15-0-142-genericubuntu-upgrade-linux-image-5-15-0-142-generic-64kubuntu-upgrade-linux-image-5-15-0-142-generic-lpaeubuntu-upgrade-linux-image-6-11-0-1010-realtimeubuntu-upgrade-linux-image-6-11-0-1013-raspiubuntu-upgrade-linux-image-6-11-0-1014-awsubuntu-upgrade-linux-image-6-11-0-1014-lowlatencyubuntu-upgrade-linux-image-6-11-0-1014-lowlatency-64kubuntu-upgrade-linux-image-6-11-0-1015-azureubuntu-upgrade-linux-image-6-11-0-1015-azure-fdeubuntu-upgrade-linux-image-6-11-0-1015-gcpubuntu-upgrade-linux-image-6-11-0-1015-gcp-64kubuntu-upgrade-linux-image-6-11-0-1016-oracleubuntu-upgrade-linux-image-6-11-0-1016-oracle-64kubuntu-upgrade-linux-image-6-11-0-1022-oemubuntu-upgrade-linux-image-6-11-0-26-genericubuntu-upgrade-linux-image-6-11-0-26-generic-64kubuntu-upgrade-linux-image-awsubuntu-upgrade-linux-image-aws-fipsubuntu-upgrade-linux-image-aws-lts-22-04ubuntu-upgrade-linux-image-azureubuntu-upgrade-linux-image-azure-cvmubuntu-upgrade-linux-image-azure-fdeubuntu-upgrade-linux-image-azure-fipsubuntu-upgrade-linux-image-azure-lts-22-04ubuntu-upgrade-linux-image-fipsubuntu-upgrade-linux-image-gcpubuntu-upgrade-linux-image-gcp-64kubuntu-upgrade-linux-image-gcp-fipsubuntu-upgrade-linux-image-gcp-lts-22-04ubuntu-upgrade-linux-image-genericubuntu-upgrade-linux-image-generic-64kubuntu-upgrade-linux-image-generic-64k-hwe-20-04ubuntu-upgrade-linux-image-generic-64k-hwe-24-04ubuntu-upgrade-linux-image-generic-hwe-20-04ubuntu-upgrade-linux-image-generic-hwe-24-04ubuntu-upgrade-linux-image-generic-lpaeubuntu-upgrade-linux-image-generic-lpae-hwe-20-04ubuntu-upgrade-linux-image-gkeubuntu-upgrade-linux-image-gke-5-15ubuntu-upgrade-linux-image-gkeopubuntu-upgrade-linux-image-gkeop-5-15ubuntu-upgrade-linux-image-ibmubuntu-upgrade-linux-image-intelubuntu-upgrade-linux-image-intel-iot-realtimeubuntu-upgrade-linux-image-intel-iotgubuntu-upgrade-linux-image-kvmubuntu-upgrade-linux-image-lowlatencyubuntu-upgrade-linux-image-lowlatency-64kubuntu-upgrade-linux-image-lowlatency-64k-hwe-20-04ubuntu-upgrade-linux-image-lowlatency-64k-hwe-24-04ubuntu-upgrade-linux-image-lowlatency-hwe-20-04ubuntu-upgrade-linux-image-lowlatency-hwe-24-04ubuntu-upgrade-linux-image-nvidiaubuntu-upgrade-linux-image-nvidia-lowlatencyubuntu-upgrade-linux-image-nvidia-tegraubuntu-upgrade-linux-image-nvidia-tegra-igxubuntu-upgrade-linux-image-nvidia-tegra-igx-rtubuntu-upgrade-linux-image-nvidia-tegra-rtubuntu-upgrade-linux-image-oem-20-04ubuntu-upgrade-linux-image-oem-20-04bubuntu-upgrade-linux-image-oem-20-04cubuntu-upgrade-linux-image-oem-20-04dubuntu-upgrade-linux-image-oem-24-04bubuntu-upgrade-linux-image-oracleubuntu-upgrade-linux-image-oracle-64kubuntu-upgrade-linux-image-oracle-lts-22-04ubuntu-upgrade-linux-image-raspiubuntu-upgrade-linux-image-raspi-nolpaeubuntu-upgrade-linux-image-realtimeubuntu-upgrade-linux-image-virtualubuntu-upgrade-linux-image-virtual-hwe-20-04ubuntu-upgrade-linux-image-virtual-hwe-24-04ubuntu-upgrade-linux-image-xilinx-zynqmp
References
- CVE-2025-21844
- https://attackerkb.com/topics/CVE-2025-21844
- UBUNTU-USN-7510-1
- UBUNTU-USN-7510-2
- UBUNTU-USN-7510-3
- UBUNTU-USN-7510-4
- UBUNTU-USN-7510-5
- UBUNTU-USN-7510-6
- UBUNTU-USN-7510-7
- UBUNTU-USN-7510-8
- UBUNTU-USN-7511-1
- UBUNTU-USN-7511-2
- UBUNTU-USN-7511-3
- UBUNTU-USN-7512-1
- UBUNTU-USN-7521-1
- UBUNTU-USN-7521-2
- UBUNTU-USN-7521-3
- UBUNTU-USN-7593-1
- UBUNTU-USN-7602-1
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